Ms. Hannah R. Robbins Profile

Hannah R. Robbins

PhD Student

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Proceedings Article | 5 March 2015 Paper

A scalable engineering approach to improve performance of a miniaturized optical detection system for in vitro point-of-care testing

Hannah Robbins, Sijung Hu, Changqing Liu

Proceedings Volume 9320, 932007 (2015) https://doi.org/10.1117/12.2077526

KEYWORDS: Luminescence, Manufacturing, Sensors, Computer aided design, Additive manufacturing, Prototyping, Optics manufacturing, Laser sintering, Photodiodes, In vitro testing

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The demand for rapid screening technologies, to be used outside of a traditional healthcare setting, has been vastly expanding. This is requiring a new engineering platform for faster and cost effective techniques to be easily adopted through forward-thinking manufacturing procedures, i.e., advanced miniaturisation and heterogeneous integration of high performance microfluidics based point-of-care testing (POCT) systems. Although there has been a considerable amount of research into POCT systems, there exist tremendous challenges and bottlenecks in the design and manufacturing in order to reach a clinical acceptability of sensitivity and selectivity, as well as smart microsystems for healthcare. The project aims to research how to enable scalable production of such complex systems through 1) advanced miniaturisation of a physical layout and opto-electronic component allocation through an optimal design; and 2) heterogeneous integration of multiplexed fluorescence detection (MFD) for in vitro POCT. Verification is being arranged through experimental testing with a series of dilutions of commonly used fluorescence dye, i.e. Cy5. Iterative procedures will be engaged until satisfaction of the detection limit, of Cy5 dye, 1.209x10^-10M. The research creates a new avenue of rapid screening POCT manufacturing solutions with a particular view on high performance and multifunctional detection systems not only in POCT, but also life sciences and environmental applications.

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